NOAA S-57 chart cell
Entrance to Tampa Bay - The Narrows - Gulf of America
US4FL1PP
- Usage band
- Approach · code 4
- Current edition
- 8.0
- Features
- 1,117
- S-57 layers
- 49
- Published
- Feb 6, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 27.90000° N
- South
- 27.60000° N
- West
- 83.10000° W
- East
- 82.80000° W
- Center
- 27.75000° N, 82.95000° W
- Bounds area
- 287 sq nm
- Feature density
- 3.8903 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 22.8
- Smallest layer
- 1
- Largest layer
- 195
- Area sq km
- 985
- Features per sq km
- 1.13423
- DEPARE Depth area 195
- DEPCNT Depth contour 193
- SLCONS Shoreline construction 104
- SBDARE Seabed area 89
- COALNE Coastline 74
- OBSTRN Obstruction 60
- DAYMAR 56
- BCNLAT Lateral beacon 55
- RETRFL 54
- LNDARE Land area 25
- M_QUAL Data quality 24
- LIGHTS Light 21
- SOUNDG Sounding 21
- BOYSPP Special purpose buoy 14
- PILPNT 11
- DMPGRD 10
- BRIDGE 9
- LNDRGN Land region 9
- SEAARE Sea area 9
- DRGARE 8
Nearby Chart Cells
Approach usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US4FL1PP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL1PP/8.0/US4FL1PP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1PP/8.0/US4FL1PP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1PP/8.0/US4FL1PP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1PP/8.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 8.0 | Feb 6, 2026 | metadata.json |